Bariatric surgery is a powerful tool for weight loss, often resulting in significant improvements in health, energy, and quality of life. But some patients may experience weight regain months or even years after surgery. If this happens to you, you haven’t failed.

Here at Peachtree Surgical & Bariatrics in the Buckhead district of Atlanta, Georgia, our team has the expertise to answer your questions and give guidance on what to do if you experience postbariatric weight gain.

Why weight gain happens after surgery

Weight gain after bariatric surgery can occur for various reasons. Over time, your body adapts to the changes made during the procedure. Your stomach may stretch, your metabolism may slow, or old habits may resurface. 

Emotional eating, lack of physical activity, stress, and changes in medication can also play a role.

Sometimes, the underlying causes are medical. Conditions like thyroid issues, depression, or hormonal imbalances can make weight management more difficult, even with a surgically altered digestive system.

How much weight gain is normal?

A small amount of weight regain is common and expected. The majority of patients experience substantial weight loss within the first 12-18 months after surgery. After that, it’s not unusual to regain 5–10% of the weight you lost. 

But if you gain back a substantial portion of your weight or return to pre-surgery habits, it’s a sign to reevaluate your plan.

What can you do about it?

We encourage you not to panic or feel ashamed. Instead, take an honest look at your routine. Are you sticking to your post-op dietary guidelines? Are you getting enough protein, water, and movement each day? A return to basics can often help reset your progress.

If lifestyle changes aren’t helping, we monitor you closely and stay supportive throughout your journey in every way. We may recommend nonsurgical treatments like medications or procedures such as endoscopic sleeve gastroplasty or transoral outlet reduction to help get you back on track.

You’re not alone

Weight regain after bariatric surgery is more common than you may think. What matters most is how you respond. Reach out for support, revisit your goals, and stay engaged in your health journey; those actions can make all the difference.

Weight gain after bariatric surgery doesn’t mean the procedure didn’t work — it just means your journey is ongoing. With the right tools, support, and mindset, you can regain control and continue moving toward better health.

If you have concerns about gaining weight after your bariatric surgery, schedule an appointment with our team today. We’re here to help.